LIFEMENT Basic 6 Inch Twin Memory Foam Mattress in a Box, Medium Firm | Graphite Infused Cooling, Fiberglass Free, CertiPUR-US Certified

GRAPHITE-INFUSED COOLING FOAM — Twin size mattress uses graphite particles draw heat away from the body and wick moisture throughout the night — keeping your sleep surface cool, dry, and odor-free. No more waking up overheated on a hot mattress. FIBERGLASS-FREE — SAFE FOR YOUR HOME — Constructed entirely without fiberglass. The knit fabric cover in this twin size mattress contains no harmful fiber materials, so there is zero risk of fiber contamination in your bedroom. Safe for all households, including children. 3-LAYER ADAPTIVE SUPPORT SYSTEM — High-density base foam in this twin size mattress provides lasting stability. A transition layer absorbs motion and minimizes disturbance. The top layer of open-cell graphite memory foam contours to your body for pressure relief in any sleep position — back, side, or stomach. CERTIPUR-US & OEKO-TEX CERTIFIED — All foams are CertiPUR-US certified (no harmful chemicals, VOCs, or heavy metals) and OEKO-TEX Standard 100 certified (no harmful substances in finished textiles). Third-party tested for your peace of mind. MATTRESS-IN-A-BOX — EASY SETUP — Ships compressed and rolled in a compact box that fits through any standard doorway. Unroll, remove packaging, and allow 24–72 hours to fully expand. Compatible with most platform frames, box springs, slatted bases, and adjustable bases. 10-YEAR WARRANTY — BUILT TO LAST — Backed by a 10-year manufacturer warranty against defects in materials and workmanship. Ideal for master bedrooms, guest rooms, first homes, bunk beds, daybeds, trundle beds, and college dorms.